The mark consists of a circular blue design, with red banners bordered in yellow and outlined in black on top and below the blue circle. The top banner contains the words "26TH MARINE EXPEDITIONARY UNIT", the bottom banner contains the words "FLEET MARINE FORCE", all words appearing in black. Within the blue circular field is a red shield bordered in silver and outlined in black containing the words, in yellow, "LAND SEA AIR". Also within the red shield is a design of a gold eagle holding a streaming banner in its mouth atop a blue globe with green continents and black lines representing lines of latitude thereon, the globe overlaid on a silver anchor with a yellow rope wrapped around it. Behind the red shield are a silver and gray sword with a black handle, a gray and black trident, and a yellow lightning bolt outlined in black, all of the foregoing appearing within the blue circular field.